Chemistry Nitrogen forms a variety of compounds in all oxidation states ranging from –3 to + 5 –3 to + 3 –3 to + 6 –3 to + 4 –3 to + 5 –3 to + 3 –3 to + 6 –3 to + 4 ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is the covalency of nitrogen in ammonia molecule 4 3 2 5 4 3 2 5 ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is 'milk of magnesia' chemically? Magnesium carbonate Calcium hydroxide Sodium bicarbonate Magnesium hydroxide Magnesium carbonate Calcium hydroxide Sodium bicarbonate Magnesium hydroxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is a micro-element ? Hydrogen Chlorine Nitrogen Oxygen Hydrogen Chlorine Nitrogen Oxygen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Chemical name of bleaching powder is : Calcium bi chloride Calcium chloro hypochlorite Calcium chlorate Calcium hypochlorite Calcium bi chloride Calcium chloro hypochlorite Calcium chlorate Calcium hypochlorite ANSWER DOWNLOAD EXAMIANS APP